baber/WOPTO huggingface dataset:
Patent DE-2651837-A1 (DE)
Title: Pressure gelling casting with rapidly reacting resins - under vacuum in thin-walled mould, with post-pressing and compacting by pressure equalising with atmosphere (NL 17.5.78)
Inventor: DEDELMAHR RUDOLF
IPC: B29C39/38
Filed: 1976-11-13
Abstract: Mfr. of castings esp. high-quality electric components e.g. insulators, by pressure gelling casting comprises using a very rapidly reacting casting resin in a vacuum chamber, under strongly reduced pressure, in a thin-walled mould and then effecting the post-pressurising and compacting (typical of pressure gelling processes) of the still-deformable resin by equalising the pressure of the vacuum chamber with the outside atmosphere. Enables thin-walled, hence inexpensive, mould to be used. The prods. have accurate measurements and high mechanical and electrical strength. Void and crack formation is minimised. Castings are easily removed from mould.
Patent DE-2652827-A1 (DE)
Title: Artificial fertiliser spreader loading system - consists electrically driven screw conveyor attached to trailer and with motor powered from tractor
Inventor: KOTTE FRANZ
IPC: B60P1/40
Filed: 1976-11-20
Abstract: The artificial fertiliser is bulk delivered by trailer to the spreader which is carried by a tractor. To transfer the fertiliser to the spreader hopper, an electrically or hydraulically operated screw conveyor is attached to the trailer. The trailer is tilted and the fertiliser enters the conveyor hopper via an opening in the trailer tail board. The conveyor spiral forces the pellets up the enclosed chute to be discharged into the spreader hopper. The motor for the screw conveyor is preferably a direct current motor running from the tractor battery or from an external supply.
Patent DE-2654395-A1 (DE)
Title: Chest of drawers with dividers for pharmaceutics - has one tension rod to lock oil dividers in position with one movement
IPC: A47B88/20
Filed: 1976-12-01
Abstract: The chest of drawers includes drawer dividers (4) which can be displaced by a holder (5) along at least one guide (3) and can then be locked in position by one tension rod (12) which is provided between the guide and the holder (5). This tension rod (12) runs in the longitudinal direction of the guide, can be rotated about its longitudinal axis (13) and has over its length at least one peripheral area which is off-set relative to its peripheral contour which comes into effect when stressed. Thus by rotating the tension rod all the drawer dividers which are associated with one guide can be locked and released at the same time.
Patent DE-2657244-A1 (DE)
Title: Hot water reservoir for district heating - pumps water over top of insulating cover to absorb solar radiation
Inventor: MARGEN PETER HEINRICH ERWIN
IPC: F24J2/04
Filed: 1976-12-17
Abstract: A large water reservoir is formed in a lake to hold hot water between its production by the cooling system of a power station and its use by a district heating network. The water enters and leaves by pipes (6,7). The surface is covered by a floating lid (10) of thermally insulating plastic material. A pump (14) submersed in the reservoir lifts water through an opening (12) in the lid so that it flows over the top of the lid and returns by gravity through further openings (15) in the lid. The water absorbs solar radiation as a supplementary heating source while flowing over the lid. An outer cover (16) held above the lid (10) by supports (17) reduces heat loss by convection and radiation to the atmos.
Patent DE-2700384-A1 (DE)
Title: Multi-pole power protective circuit breaker - has individual poles with closely adjacent hollow rivets protruding from housing shells and held by screws
Inventor: BOEKER GUENTER ING GRAD
IPC: H02B1/04
Filed: 1977-01-07
Abstract: The multi-pole power protective circuit breaker consists of individual poles. Each of the latter has plastics housing shells held together by rivets. The individual poles are interconnected also by rivets or screws. The poles (I, II, III) abut each other by hollow rivets (3, 4, 4'), which protrude slightly over the face ends of the housing shells. The holding rivets or screws engage the respective poles through the hollows rivets. Preferably the rivets (3) of one outer pole (I) have inner thread for retaining a connecting screw (9) each.
Patent DE-2701082-A1 (DE)
Title: Aerosol bottle with toggle valve nozzle - has attached handle bracket to allow single handed operation
Inventor: SEGATZ WILHELM
IPC: B65D83/14
Filed: 1977-01-12
Abstract: An aerosol can (1) has a dispenser nozzle (11) which is connected to the can by means of a toggle valve (2). The can is normally closed and it can be opened by deflecting the nozzle tube (11) downwards. A U-shaped wire bracket (5-7) is attached to the aerosol can (1) by an external ring clamp (4). The bracket thus forms a handle which allows an operator to hold and to discharge the content of the bottle with one hand only, since the whole unit has the form of a pistol grip.
Patent DE-2704955-A1 (DE)
Title: Cooling system for vehicle IC engine - has coolant driven hydraulic motor for fan with sprung by=pass valve to prevent overspeed
Inventor: HOLZER WALTER
IPC: F01P7/04
Filed: 1977-02-07
Abstract: The cooling system for vehicle IC engines, with a coolant driven fan has a pump (3) circulating the coolant through the engine (1) and radiator (2), with a thermostatically controlled valve (8) for bypassing the radiator. In the line (4) from engine to radiator there is a hydraulic motor (6) driving the fan (7). To avoid unnecessarily high fan speeds the motor has a spring loaded bypass valve (11) which opens when the pressure drop across it reaches a limiting value. Alternatively the motor can have guide vanes or blades of flexible material which deform to limit its speed. A further thermostatic valve can be fitted which relates fan speed to air speed.
Patent DE-2707378-A1 (DE)
Title: Carpet coiling mechanism onto tube - has arms with components engaging in tube sliding on transverse bar
Inventor: GASKELL LEON
IPC: B65H19/30
Filed: 1977-02-21
Abstract: The mechanism coils a carpet onto a tube, and has a unit opposing movement of the tube, into whose ends components of it fit. These components are mounted on the ends of arms sliding on a transverse bar, and which in turn is supported by arms hinging in the frame. Thus the unit rises as the diameter of the coil on the tube increases, and counterbalancing devices are provided to take its weight when it is freed from the tube, in order to allow removal of the roll of carpet on the latter. The unit can have cones fitting in the tube ends, mounted on arms sliding on the bar.
Patent DE-2710963-A1 (DE)
Title: Washer for vehicle front and rear lights - has fluid duct in bumper leading to spray via non-return valve housed in enlarged duct section
Inventor: BRAUN WERNER
IPC: B60S1/52
Filed: 1977-03-12
Abstract: The front and rear bumper strips have washer fluid ducts (3, 4) leading to non return valves (7, 8) under washer jets (5) directed at the front and rear lights. The non-return valves each comprise two components a valve element (7) and a spring (8). The non return valve is pressed into a widened section of the duct and is held in place by the jet assembly, which has a press fit inside the duct. The whole assembly is simple and, apart from the spring, made from non corroding plastic mouldings.
Patent DE-2716064-A1 (DE)
Title: Plastics milk sampling flask with extended neck - uses sleeve fitted over end after use, sealed crimped and identified using pliers
IPC: B01L3/14
Filed: 1977-04-09
Abstract: The sampling flask (1) is made from plastics and comprises a body with an extended neck (31). This is cut to take a sample, the body being compressed to suck up the milk. Immediately afterwards, the neck is sealed and marked for identification. This is done by slipping a metal or plastics sleeve (45) over the neck down to its base, and crimping it with a pair of special pliers. This deforms the sleeve and, at the same time, impresses the identification marks indelibly in its surface. The end of the extended neck is also curled and twisted (46) to complete the sealing process.
Patent DE-2718076-A1 (DE)
Title: Oxidn. of hydrocarbon components of lean natural gases - by passage with oxygen or air through plasma jet, forming water and carbon di:oxide and/or mon:oxide
Inventor: CSERNAVOELGYI LASZLO DIPL ING
IPC: C01B32/50
Filed: 1977-04-22
Abstract: Oxidn. of the hydrocarbon components of lean natural gas (e.g. contg. 30% CH4 and 60% CO2) is carried out by passing the gas together with O2 and/or air through a plasma jet (opt. formed by the gas itself) so that the hydrocarbons are converted to H2O and CO and/or CO2.
Patent DE-2719685-A1 (DE)
Title: Plastics cage for freewheel rollers - has stays at ends of openings, forming sliding bearing on shaft through middle
Inventor: RABE JUERGEN ING GRAD
IPC: F16D41/067
Filed: 1977-05-03
Abstract: The plastics cage for a freewheel has a housing (2) with clamping ramps (1) for rollers (4) accommodated in the cage itself (3), and a shaft (5) which passes through them. The cage (3) has windows to take the clamp rollers (4), the windows being limited at their ends by stays (8) connected by flange rings (7). The cage (3) forms with its inner cover surface (9) in the region of the stays (8) a slide bearing for the shaft (5). It has slots around it which, alternating from the one and the outer cage face surfaces (11), extend virtually over the whole of the cage length. The sections of the stays (8) acting as slide bearing are supported in the manner of a leaf spring on the shaft (5) and with their central area (13) in the housing (2).
Patent DE-2720329-A1 (DE)
Title: Nail file has polyamide ridge on one or both sides - allowing nails being filed to rest against it for better shaping
Inventor: SCHMIDT EDMUND
IPC: A45D29/04
Filed: 1977-05-06
Abstract: Manicure kit includes a nail file which has on at least one side, a ridge of polyamide or some other material with similar hard-elastic properties. The ridge is narrower than the file so that the file protrudes laterally somewhat beyond it. The ridge is thicker than the file itself.
Patent DE-2721117-A1 (DE)
Title: Freeze-dried coffee powder freed from phenol derivs. and tannin - by treating coffee extract with crosslinked polyvinyl pyrrolidone adsorbent
Inventor: FUEHRER CLAUS PROF DR
IPC: A23F5/42
Filed: 1977-05-11
Abstract: Coffee causing no dyspepsia is produced by (i) prepg. a standard coffee extract ant (ii) mixing with solid phenol-and tannin-bonding adsorbents, e.g. water-insoluble crosslinked polyvinyl pyrrolidone. The bonded phenolic and gastric juice prodn.-stimulant components are then removed. Treatment prevents increased acid secretion, e.g., affecting pathogenesis and peptic ulcers. Coffee prod. can be used by sufferers from light stomach complaints. After removing the insoluble ballast materials, the clear soln. can be mixed with pharmaceutically known anti-acid materials and adsorbents, esp. colloidal Mg- or Al oxide. The treated soln. is then freeze-dried.
Patent DE-2722603-A1 (DE)
Title: Automatic telephone exchange circuit - has dialling selector switches and signal arriving before switching inhibits action
Inventor: SEDLMAYR OTTO
IPC: H04Q3/00
Filed: 1977-05-18
Abstract: The system (1) has selectors individually allocated to a connection. They have automatic control and dialling signals receiving switching systems with input circuits for dialling signals. Common dialling signal receiving switching devices are connected to these selectors, which can direct the selector to different output groups. When a selector input is engaged, its input dialling signal receiving circuits, and its dialling signal receiving switching system serving for its automatic control, are connected to the dialling signals receiving switches of the corresponding dialling signals receiving switching device, and also to its dialling signal receiving switching device. The selector dialling signal receiving switching systems are disconnected from its input dialling signals receiving circuits, and dialling signal arriving before this connection and disconnection is directly received by the selector dialling signals receiving switching means. It inhibits such connection and disconnection and sets the selector to an output group corresponding to the dialling signal.
Patent DE-2735645-A1 (DE)
Title: Sewing machine shuttle thread guide - has a fixed tooth to reduce shear loadings on the upper thread
Inventor: KUHTZ CHRISTIAN
IPC: D05B15/04
Filed: 1977-08-08
Abstract: The thread guide mechanism for the shuttle in a double backstitch sewing machine, esp. a swing arm machine for working leather, has a guide tooth on the shuttle housing at the needle hole against the shuttle point. The upper thread is fed from it from the needle eye during the gripping stage. The design reduces the shear loading on the upper thread and simplifies the sewing machine drive assembly. Suitably the thread is given an equal phase since wave movement from the needle and the shuttle. As the shear forces on the upper thread are very small, hand sewing thread can be used in the sewing machine.
Patent DE-2737189-A1 (DE)
Title: Rope for forming temporary barrier or for sectioning off defined areas - has filamentous core coated with foam rubber, and solid plastics or fabric mantle
Inventor: BODE HUBERT
IPC: E01F13/02
Filed: 1977-08-18
Abstract: Cable or rope such as may be used to erect a temporary barrier, e.g. for road blocks or roping off sections of sports arenas, or also for sectioning off the swimmer section from the non-swimmer section of a swimming pool, is composed of a core which is spray-coated with a rubber foam or circular cross-section and sheathed in a tubular textile. The core is provided with spaced-apart anchoring knots. It is made of highly heat-resistant plastics filament or steel wire. The sheathing is synthetic or material fibre or a metal wire fabric. Alternatively, it may be solid plastics. It is further coated with rubber.
Patent DE-2744345-A1 (DE)
Title: Metal pipe with flared union end - has internal reinforcing ring fitted at flared end to strengthen seat surface
Inventor: GRIESFELLER WERNER
IPC: F16L19/028
Filed: 1977-10-01
Abstract: The metal pipe has a union end formed from the pipe material, comprising a sealing cone and an external shoulder against which a union nut acts. At the union end (1) a reinforcing ring (7) is fitted inside the pipe. The external dia. (Dv) of the ring can be greater than the internal diameter (di) of the pipe (R) away from the union end. Its internal dia (dv) can be roughly equal to that (di) of the pipe. The ends (7a, 7b) of the ring can bear against internal shoulders (8, 9) formed in the pipe, the forward one being formed by the sealing cone (10) and the rear one by the external shoulder (5).
Patent DE-2744925-A1 (DE)
Title: Printing press sheet alignment mechanism - has auxiliary leading edge stops swinging clear and has transporter to main stops
Inventor: BOLZA-SCHUENEMANN HANS-BERNHAR
IPC: B41F21/00
Filed: 1977-10-06
Abstract: The system aligns the leading and side edges of the first sheet delivered in staggered pattern on a printing press feed table with front and side datum stops. The first sheet (9) of a staggered stream of ones to be printed (9, 12), moving on the feed table (1) towards a stop drum (16) and clear of a lateral pull guide (13, 42), is aligned against a number of auxiliary leading edge stops (7), which swing down clear, by the leading edge. Once aligned, it is moved by a transporter (8) acting against it from the underside into the working area of the pull guide, and against a number of main front stops (4).
Patent DE-2747506-A1 (DE)
Title: Drying aq. sludge to mfr. fertiliser, solid fuel, pigments, etc. - by injecting hot waste gas while agitating sludge
Inventor: RIES WALTER
IPC: F26B17/20
Filed: 1977-10-22
Abstract: Individual particles in the sludge are subjected to intense agitation to obtain a powerful disintegrating action. Simultaneously with or immediately following the agitation, a dry gas is blown through the sludge and exhausted with a very high moisture content drawn from the sludge. The dry gas is pref. a high temp., industrial exhaust gas or hot air used as a heat transfer medium for industrial waste heat. Used for drying sludge passes with an initial dry solids content of 15-18%, to produce raw materials for solid fuels, pigments, fertilisers, etc. Simple inexpensive recovery of valuable residues using waste heat exhausted from industrial processes is obtd. The exhaust gases are purified before release to atmos.
Patent DE-2747986-A1 (DE)
Title: A=D converter for instrument with two response speeds - changes speed by switching oscillator between two distinct frequencies (OE 15.8.78)
Inventor: WEBER WALTER
IPC: H03M1/00
Filed: 1977-10-26
Abstract: The A/D converter system is used in scientific and measuring instruments. It has a second comparator to determine when the two voltages differ by a given amount and thereupon to switch over from a higher to a lower frequency. The oscillator can be switched between two distinct frequencies by connecting an extra capacitor (C2) in parallel with its main tuning capacitor (C1). This switching is accomplished by a transistor (TR) controlled by the operational amplifier (OP3) acting as comparator. The advantage lies in providing two response speeds for measuring quantities with different settling down' times.
Patent DE-2747990-A1 (DE)
Title: Coffee machine with several dispensing outlets - has circulating hot water system contg. throttle valves controlling flow to obtain same temperature at all outlets
Inventor: RANCILIO ANTONIO
IPC: A47J31/00
Filed: 1977-10-26
Abstract: The hot water in the coffee machine is circulated between the pressurised hot water pipe (30) and the return pipe (32) which are connected together by parallel pipes (34, 40; 36, 42;38, 44) into which the drinks dispensers (10, 12, 14) are connected, and the heating container (24, 26). Throttle valves (46, 48, 50) are mounted in the paralle pipes and control the rate of flow in propotion to the length of the hot water piep or in inverted ratio to the relevant water temperature. The drinks dispensers (10, 12, 14) are always kept at the same temperature ready for instantaneous use even when this use is intermittent. The heat loss which arises through the longer supply pipes is compensated in that more hot water flows through the more remote supply points.
Patent DE-2752604-A1 (DE)
Title: Antitheft car licence plate - has transparent characters formed in opaque plastics plate backed by coloured fluid
Inventor: VILLWOCK DORIS
IPC: B60R13/10
Filed: 1977-11-25
Abstract: The anti theft car licence plate has a colourd or opaque plastics top plate with the characters stamped through it. The characters are filled with a transparent plastics and the plate is backed by a rear wall to enclose a space. This is filled with a coloured gas or liquid which escapes when the fitting bolts are loosened. The fitting bolts are applied to the plate with sealing rings. The characters cannot be changed without damage to the plate and the coloured fluid can only be inserted by a specialist.
Patent DE-2754003-A1 (DE)
Title: Continuously operating roasting system - has automatic food turning mechanism and has moving food containers passing over heated roasting plates
Inventor: WALSCHBURGER HANS
IPC: A47J37/04
Filed: 1977-12-03
Abstract: The roasting food is drawn over the heated roasting plate (1) of the continuously operating roasting appts. by entrainment members spaced out along endless conveyor chains and designed as grid or basket like food containers (2) which rest on the roasting plate (1). These transport food containers (2) are swivel mounted on the drive chains (5) so that the roasting food is automatically turned as it moves along the appts. Since the food is stored in containers having comparatively large opening it can be moved along without sticking whilst at the same time being held in intensive direct heat contact with the heated roasting plate. The container (2) are pref. made of a row of parallel rods (3) or wires and are attached to the conveyor chains (5) by means of axial bolts (7) in the front upper region of the side cheeks (6).
Patent DE-2756093-A1 (DE)
Title: Mechanical engine driven by heat pump - has hydraulic drive between thermal engine and mechanical output
Inventor: KNAUER DIETER
IPC: F03G7/06
Filed: 1977-12-16
Abstract: A pair of heat pumps (24, 25) is arranged to provide alternate heating and cooling to jackets (6, 8) surrounding a cylinder (13). The cylinder contains a fluid whose alternate expansion and contraction causes a piston (27) to reciprocate. The piston rod is connected by a crank (30) to the rod (35) of a double acting hydraulic pump (44, 45). The pump circulates hydraulic fluid to a double acting output cylinder (80) which has a piston (18) driving an output shaft (87). A pneumatic pressure cylinder (59) between the pump and output cylinder eliminates pressure fluctuations and ensures an even output. This enables useful energy to be obtained with high efficiency from low grade thermal sources.
Patent DE-2804133-A1 (DE)
Title: Extn. of oil from shale - by heating under pressure with organic fluid and extraction with solvent
Inventor: KOCH CHRISTIAN DR ING
IPC: C10G1/00
Filed: 1978-01-31
Abstract: Oil is extracted from milled oil shale by heating at 350-410 degrees C with an organic fluid in ressure vessel, and separating the mixt. of oil and organic fluid from the remaining shale in extraction vessel. Oil present in the shale is converted to an easily-extractable form. Pref. H2 is added to the mixt. of organic fluid and shale in pressure vessel. The de-oiled shale mixed with extraction solvent e.g. gasoline, is dried with low pressure steam in drying vessel. Pre-heating of the shale in preheater is pref. carried out with steam from a nuclear energy plant, and the mixt. in vessel is heated by hot gas from a gasification plant using the coke residue from hydro-pyrolysis unit.
Patent DE-2811194-A1 (DE)
Title: Mobile rotatable trolley with layers of cupboards - has interengaging projections and recesses and support bands holding cupboards secure
Inventor: WAGNER SIEGFRIED
IPC: A47F5/04
Filed: 1978-03-15
Abstract: The mobile trolley cupboard has a square base plate(2) designed to take layers of four identical cupboards(1) with the top layer covered by a plate(8). The square base plate is fitted onto a frame surround(3). The cupboards(1) have projections(5) underneath and corresponding indentations(6) on the upper side with criss-cross reinforcement bands(7) engaging over the outer edges of the cupboards between the layers. The ends of the bands are bent partly up and partly down. The four cupboards forming the lower layer are then held immovable on the base plate by their projections and the reinforcement bands on top.
Patent DE-2817224-A1 (DE)
Title: Coupling for windscreen wiper - incorporates C=shaped grip and securing head with flats
Inventor: URSEL ECKHARD ING GRAD
IPC: B60S1/40
Filed: 1978-04-20
Abstract: The wiper blade is clipped to the end of the wiper arm by a simple bayonet type of coupling in which the end of the wiper arm is fitted with an elastic sleeve (42) surrounding a shaped stub (44) with flats (50) and a waisted shaft. The wiper assembly is fitted with a C-shaped clip (12) which slots into the sleeve and over the flats to secure on the waisted section. The blade is located over the coupling and secured by a simple twist action. No special fittin tools are required and a secure seating is assured.